Silicon is a chemical element; it has symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and is a tetravalent metalloid and …

2025年1月18日 · Silicon, a nonmetallic chemical element in the carbon family that makes up 27.7 percent of Earth’s crust; it is the second most abundant element in the crust, being surpassed …

Element Silicon (Si), Group 14, Atomic Number 14, p-block, Mass 28.085. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images.

2024年3月4日 · Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, brittle crystalline solid with a blue-grey metallic lustre, and it is a member of group 14 in …

Silicon is the seventh most abundant element in the universe and the second most abundant element in the earth's crust. Today, silicon is produced by heating sand (SiO 2) with carbon to …

Silicon is the seventh most abundant element in the universe and the second most abundant element in the earth's crust. Today, silicon is produced by heating sand (SiO 2) with carbon to …

Silicon is a brittle and hard crystalline solid. It has blue-grey metallic lustre. Silicon, in comparison with neighbouring elements in the periodic table, is unreactive. The symbol for silicon is Si with …

2023年4月24日 · Chemical element silicon has the symbol Si and atomic number 14. It is a crystalline solid that has a blue-gray metallic luster and is hard and brittle. Si is the tenth most …

Silicon is the 14th element in the periodic table and has a symbol of Si and atomic number of 14. It has an atomic weight of 28.085 and a mass number of 28. Silicon has fourteen protons and …

2025年1月21日 · Silicon is a chemical element with the symbol Si and atomic number 14. It is a hard, crystalline material that is found abundantly in the Earth’s crust. Silicon is renowned for …